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Portfolio (Quarterly) Guide ↗

Atika Capital Management LLC

· CIK 0001599731
13F Portfolio $796M AUM 180 positions Filed May 14, 2026 EDGAR ↗ ← All Funds
Q1 2026 Q4 2025 · All 19 New 12 Added 25 Reduced 36 Exited
Page 2 of 3  ·  60 positions
# Ticker Company Sector Shares Value ↓ % Port Chg Shares Chg % Period Price ① Since Period ①
21 ORKA ORUKA THERAPEUTICS INC Healthcare 229,900.0 $11.3M 1.42% NEW $49.05 +93.6%
22 DNTH DIANTHUS THERAPEUTICS INC Healthcare 128,800.0 $10.8M 1.36% -6K -4.3% $83.92 +15.4%
23 WDC WESTERN DIGITAL CORP Technology 37,717.0 $10.2M 1.28% NEW $270.49 +63.2%
24 AMZN AMAZON COM INC Consumer Cyclical 43,700.0 $9.1M 1.14% -36K -45.4% $208.27 +21.8%
25 TTMI TTM TECHNOLOGIES INC Technology 93,000.0 $9.1M 1.14% -8K -8.3% $97.42 +21.1%
26 FIVE FIVE BELOW INC Consumer Cyclical 39,480.0 $9.0M 1.13% -17K -29.8% $228.48 +2.5%
27 CW CURTISS WRIGHT CORP Industrials 13,000.0 $8.9M 1.11% +3K +31.6% $681.12 -16.6%
28 GH GUARDANT HEALTH INC Healthcare 91,000.0 $8.4M 1.05% -17K -15.7% $92.37 +94.2%
29 MELI MERCADOLIBRE INC Consumer Cyclical 4,510.0 $7.8M 0.98% -1K -24.2% $1729.02 +3.4%
30 APPF APPFOLIO INC Technology 47,500.0 $7.5M 0.94% +3K +6.7% $157.82 +36.0%
31 GDX VANECK ETF TRUST 80,000.0 $7.3M 0.92% NEW $91.77 +4.0%
32 UTHR UNITED THERAPEUTICS CORP DEL Healthcare 12,350.0 $7.3M 0.92% NEW $592.98 -16.6%
33 KRMN KARMAN HLDGS INC Industrials 90,500.0 $7.2M 0.91% NEW $80.05 -55.3%
34 FERG FERGUSON ENTERPRISES INC Industrials 29,300.0 $6.8M 0.86% $233.26 -8.1%
35 PTGX PROTAGONIST THERAPEUTICS INC Healthcare 62,100.0 $6.5M 0.82% -24K -27.8% $105.40 +35.7%
36 CLH CLEAN HARBORS INC Industrials 21,855.0 $6.3M 0.79% +19K +628.5% $286.73 +10.1%
37 TLN TALEN ENERGY CORP Utilities 18,490.0 $5.9M 0.74% -24K -56.1% $319.23 -8.4%
38 IMNM IMMUNOME INC Healthcare 262,900.0 $5.7M 0.72% -71K -21.4% $21.87 +9.6%
39 META META PLATFORMS INC Communication Services 10,000.0 $5.7M 0.72% NEW $572.13 +16.4%
40 DBV TECHNOLOGIES S A 271,300.0 $5.7M 0.71% +64K +31.1% $20.89
Page 2 of 3  ·  60 positions

Period Price is the implied market price on the last day of the reporting period, calculated as reported value ÷ shares held. It is not the fund's purchase price or cost basis — the fund may have initiated or added to the position at any point during the quarter at a different price. Since Period shows the price change from that quarter-end snapshot to today's last price — it reflects stock movement after the report date, not the fund's actual return.

Sector Allocation
Industrials 42.3%
Healthcare 29.7%
Technology 18.2%
Consumer Cyclical 5.0%
Communication Services 3.9%
Utilities 1.0%